make a move on somebody
make a move on (one)
To attempt to attract one romantically. The term is usually used negatively. Ew, that guy made a move on you? He's like twice your age.
make a ˈmove on somebody(informal)
1 try to start a sexual relationship with somebody: He made a move on me at the party.
2 (sport) try to pass somebody who is front of you in a race: Singleton made a move on Bell to promote himself into second position.